feat: integration cloudfile

application/Documents/Queries/GetDocument.cs

@@ -1,16 +1,36 @@
+using System.Text;
 using AutoMapper;
 using MediatR;
 using mws.backend.dotnet.application.Common;
+using mws.backend.dotnet.domain.Documents;
 
 namespace mws.backend.dotnet.application.Documents;
 
 public record GetDocumentQuery(Guid UserId, Guid DocumentId) : IRequest<DocumentDto>;
 
-public class GetDocumentHandler(IUnitOfWork uow, IMapper mapper) : IRequestHandler<GetDocumentQuery, DocumentDto>
+public class GetDocumentHandler(IUnitOfWork uow, IMapper mapper, IDocumentContentStore contentStore)
+    : IRequestHandler<GetDocumentQuery, DocumentDto>
 {
     public async Task<DocumentDto> Handle(GetDocumentQuery query, CancellationToken ct)
     {
         var doc = await DocumentAccess.GetDocumentForUserAsync(uow, query.UserId, query.DocumentId, ct);
-        return mapper.Map<DocumentDto>(doc);
+        var dto = mapper.Map<DocumentDto>(doc);
+
+        if (doc.Type == DocumentType.Document)
+        {
+            await using var stream = await contentStore.DownloadAsync(doc.ProjectId, doc.Id, ct);
+            if (stream != Stream.Null)
+            {
+                using var reader = new StreamReader(stream, Encoding.UTF8);
+                var content = await reader.ReadToEndAsync(ct);
+                dto.Content = string.IsNullOrEmpty(content) ? null : content;
+            }
+            else
+            {
+                dto.Content = null;
+            }
+        }
+
+        return dto;
     }
 }